<!DOCTYPE html>
<!-- Missing lang attribute generates an error -->
<html>
<head>

	<meta charset="utf-8"/>

	<!-- Page title generates a notice -->
	<title>Page Title</title>

</head>
<body>

	<div id="example-root-element">
		<p>Nothing wrong with <em>this</em> code!</p>
	</div>

	<!-- Empty alt attribute generates a warning and a notice -->
	<img src="/path/to/image.jpg" alt=""/>

</body>
</html>
